题目内容
三个数60.7,0.76,log0.76的从小到大的顺序是( )
| A.log0.76<0.76<60.7 | B.0.76<60.7<log0.76 |
| C.log0.76<60.7<0.76 | D.0.76<log0.76<60.7 |
因为指数函数y=6x单调递增,故60.7>60=1,
同理因为指数函数y=0.7x单调递减,故0<0.76<0.70=1,
又因为对数函数y=log0.7x单调递减,故log0.76<log0.71=0,
故log0.76<0.76<60.7,
故选A
同理因为指数函数y=0.7x单调递减,故0<0.76<0.70=1,
又因为对数函数y=log0.7x单调递减,故log0.76<log0.71=0,
故log0.76<0.76<60.7,
故选A
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